[horrified]

A better comparison would be to say "the hottest 10 days were all this July. There seems to be a trend here". Then it would be obvious that it was simply the hottest July, so of course all days were comparatively hot.

Just saying that there could be climate patterns that span more than a year, and "all the hottest Julies where in the last ten years" would be similar to saying "all the hottest days were in the last month".

Not saying it is the case, but also not saying that I automatically believe the fearmongering.